WO2021110459A1 - Systèmes et procédés de transmission d'informations et d'énergie à un module de communication dans un système d'un outil électrique - Google Patents

Systèmes et procédés de transmission d'informations et d'énergie à un module de communication dans un système d'un outil électrique Download PDF

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Publication number
WO2021110459A1
WO2021110459A1 PCT/EP2020/083077 EP2020083077W WO2021110459A1 WO 2021110459 A1 WO2021110459 A1 WO 2021110459A1 EP 2020083077 W EP2020083077 W EP 2020083077W WO 2021110459 A1 WO2021110459 A1 WO 2021110459A1
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WO
WIPO (PCT)
Prior art keywords
battery pack
communications module
interface
module
communications
Prior art date
Application number
PCT/EP2020/083077
Other languages
English (en)
Inventor
Benjamin BÖHM
Martin SPIEGLER
Marc ESQUIUS-SERRA
Dheerendra PAWAR
Original Assignee
Hilti Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hilti Aktiengesellschaft filed Critical Hilti Aktiengesellschaft
Priority to CA3158699A priority Critical patent/CA3158699A1/fr
Priority to US17/781,867 priority patent/US20230006456A1/en
Priority to EP20811615.2A priority patent/EP4069468A1/fr
Publication of WO2021110459A1 publication Critical patent/WO2021110459A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present disclosure relates generally to the field of power tools, and more particularly to a communications device within a charging device for use within a tool system.
  • Electrical devices such as corded or cordless power tools, may be useful in typical construction job sites.
  • electrical devices include a motor drive and control circuitry for controlling the motor drive.
  • Certain corded power tools may draw power from a fixed power source, while certain cordless power tools may draw power from a rechargeable power source (e.g., rechargeable battery pack).
  • a rechargeable power source e.g., rechargeable battery pack.
  • a system in a first embodiment, includes a communications module having a first interface and a second interface. The first interface is on an opposite surface of the communications module from the second interface.
  • the system also includes a battery pack to receive power tool operating information, where the battery pack removably couples with the communications module via the second interface. The battery pack transfers a portion of the power tool operating information and/or a portion of battery pack operating information to the communications module via the second interface.
  • the system also includes a charger module to removably couple with the communications module via the first interface, where the charger module recharges the battery pack through the first and second interfaces of the communications module.
  • FIG. 1 is a block diagram of an embodiment of a power tool system having a power tool, a battery pack, a charger module for charging the battery pack, and a communications device within a communications module for transmitting information obtained from the battery pack to a cloud-based computing device, in accordance with aspects of the present disclosure;
  • FIG. 2 is a block diagram of an embodiment of the power tool system of FIG. 1, where the power tool system includes one or more battery packs utilized with a communications module, in accordance with aspects of the present disclosure;
  • FIG. 3 is a schematic of an embodiment of circuitry of the communications module of FIG. 1, in accordance with aspects of the present disclosure
  • FIG. 4 is an embodiment of a method for transmitting information obtained from the battery pack to a cloud-based computing device via the communications device of FIG. 1, in accordance with aspects of the present disclosure
  • FIG. 5 is an embodiment of a method for transmitting a command signal from the cloud- based computing device to the battery pack via the communications device of FIG. 1, in accordance with aspects of the present disclosure
  • FIG. 6 is an embodiment of a method for transmitting a confirmation signal from the battery pack to the cloud-based computing device via the communications device of FIG. 1, in accordance with aspects of the present disclosure.
  • FIG. 7 is a block diagram of an embodiment of the power tool system of FIG. 1, where the charger module for charging the battery pack includes the communication device for transmitting information obtained from the battery pack to the cloud-based computing device, in accordance with aspects of the present disclosure.
  • Present embodiments are directed to a communications device configured for use within a power tool system on a construction job site.
  • the communications device is configured to obtain information about the power tool, and then transmit the obtained information to other components on the construction job site and/or to remote computing devices (e.g., a cloud- based computing device).
  • the communications device is a cellular transceiver that transmits the obtained information via a cellular antenna to a cloud-based computing device.
  • the communications device receives command signals from remote computing devices (e.g., the cloud-based computing device), and transmits the command signals to the battery pack.
  • the communications device may be disposed within a separate communications module that is configured to removably couple with a battery pack and a charging module, as illustrated and further described with respect to FIGS. 1- 3.
  • the communications device may be disposed within the charging module that is configured to removably couple with the battery pack, as illustrated and further described with respect to FIG. 7.
  • FIG. 1 is a block diagram of an embodiment of a power tool system 100 having a power tool 102, a battery pack 104, a charger module 106, and a communications module 108.
  • the communications module 108 includes a communications device 138 (e.g., cellular transceiver).
  • the communications device 138 may be disposed within other components of the power tool system 100, such as the charging module 106, as illustrated and described with respect to FIG. 7.
  • the power tool 102 may be a cordless power tool configured to receive power from the battery pack 104.
  • the power tool 102 includes a motor 110, a housing assembly 112, a trigger 114, and control circuity 116 that is configured to control one or more components of the power tool 102.
  • the power tool 102 includes one or more sensors 118, such as, for example, safety sensors, position and/or orientation sensors, touch sensors, pressure sensors, accelerometers, temperature sensors, proximity and displacement sensors, image sensors, level sensors, gyroscopes, force sensors, speed sensors, etc.
  • the one or more sensors 118 may be configured to gather operating information about the power tool 102.
  • the battery pack 104 may be removably coupled with the power tool 102 via a tool interface 120.
  • the motor 107 is configured to receive power from the removably coupled power device 106, thereby enabling the power tool 104 with a cordless capability.
  • the trigger 114 and the motor 110 may be communicatively coupled to the control circuitry 116, and engaging various functions of the trigger 114 may enable functionality of the power tool 102. For example, engaging the "ON" or "OFF" features of the trigger 114 may provide an input to the control circuitry 116, which in turn may provide a drive signals to the motor 110.
  • engaging the "ON" or “OFF” features of the trigger 114 may indicate to the control circuitry 116 to transmit operational information related about the power tool 102 to the battery pack 104. Specifically, the information may be communicated via a wired connection through the tool interface 120.
  • the control circuitry 116 may be configured to transmit operating parameters related to the power tool 102 to the battery pack 104.
  • the control circuitry 116 may be configured to transmit operating parameters related to the power tool 104 to the battery pack 104.
  • sensor feedback from the one or more sensors 118 may result in tool "wake-up," causing the control circuitry 116 to transmit operating parameters related to the power tool 102 to the battery pack 104.
  • operating parameters related to the power tool 102 may include, but are not limited to, unique identification information related to the power tool 102, unique identification information related to the manufacturer, owner, and/or previous owners of the power tool 102, historical information related to the operation of the power tool 102 (e.g., runtime), error codes or alerts triggered by the power tool 102, historical information related to the repair and/or theft of the power tool 102, sensor related information gathered from one or more sensors 118 disposed throughout the power tool 102, information related to the components of the power tool 102, drive signals provided by the control circuitry 116 and/or input signals provided by the trigger 114, and/or the general state of the health of the power tool 102.
  • the housing assembly 112 may include a housing body, a handle, and the tool interface 120 between the power tool 102 and the battery pack 104.
  • the battery pack 104 may be a rechargeable battery pack that is removably coupled to the power tool 102 via the tool interface 120.
  • the rechargeable battery pack may be a lithium-ion battery pack of various specifications.
  • the battery pack 104 may be an interchangeable device, that may be configured for use with a plurality of power tools.
  • the interface 120 may enable the battery pack 104 to be communicatively coupled to the power tool 102.
  • the interface 120 may include one or more contact points that allow power to be transferred between the battery pack 104 and the power tool 102.
  • the tool interface 120 may include one or more contact points that allow the transfer of information (e.g., communications) between the control circuitry 116 of the power tool 102 and the battery pack 104.
  • the battery pack 104 may include control circuitry 122 and communications circuitry.
  • the control circuitry 122 of the battery pack 104 receives operating parameter information related to the power tool 102 from the control circuitry 116 of the power tool 102.
  • control circuitry 122 of the battery pack 104 may gather operating parameter information related to the battery pack 104, such as, but not limited to, unique identification information related to the battery pack 104, historical information related to the operation of the battery pack 104 (e.g., cycles of operation, remaining power, etc.), state of health (SOH) status and/or state of charge (SOC) status of the battery pack 104, error codes triggered by the power tool 102, and/or status of the battery pack 104 (e.g., battery lock down status).
  • the communications circuitry 122 may store operation information related to both the power tool 102 and the battery pack 104 within the memory 124.
  • the battery pack 104 may be removably coupled to the charger module 106 to recharge the battery pack 104.
  • the battery pack 104 may include a battery interface 126 that is configured to removably couple with the charger module interface 128 of the charging module 106.
  • the interfaces 126, 128 may include one or more features that help guide, engage, or secure the battery pack 104 to the charging module 106.
  • the one or more features may include various ridges, rails, guides, tabs, buttons, clips, or any other fastening or securing features known in the art to securely and removably couple the battery pack 104 to the charging module 106.
  • the charger module 106 may be utilized with one or more battery packs 104.
  • the battery pack 104 may be configured to receive power through the charging interfaces 126, 128.
  • the charger module 106 may be configured to receive power via a power source 130, such as a power outlet and/or direct power source.
  • the communications module 108 may be removably disposed between the battery pack 104 and the charger module 106.
  • the communications module 108 may include the communications device 138 (e.g., cellular transceiver), such that it is a stand-alone device.
  • the communications module 108 having the communications device 138 may be utilized with one or more different battery packs 104 and may be configured as a retroactive device.
  • the communications module 108 may be removably coupled to the charger module 106 through the charger module interface 128.
  • the communications module 108 may include a first interface 132 and a second interface 134.
  • the first interface 132 may be configured to removably couple with the charger module 106 via the charger module interface 128.
  • the second interface 134 may be configured to removably couple with the battery pack 104 via the battery interface 126.
  • the interfaces 132, 134 may include one or more features that help guide, engage, or secure the battery pack 104 and the charger module 106 to the communications module 108.
  • the one or more features may include various ridges, rails, guides, tabs, buttons, clips, or any other fastening or securing features known in the art to securely and removably couple the battery pack 104 and/or the charging module 106 to the communications module 108.
  • the battery interface 126 may be substantially similar to the first interface 132, such that either the battery interface 126 or the first interface 132 may removably couple with the charger module 106 in a similar manner.
  • the battery interface 126 may be identical to the first interface 132, such that either the battery interface 126 or the first interface 132 may removably couple with the charger module 106 in the same manner.
  • the communications module 108 having the communications device 138 may be configured as a retroactive device configured to couple to a charging device for battery packs 104.
  • the communications module 108 may include one or more terminals or contact points to transfer information (e.g., communications) through a wired connection between the battery pack 104 and the communications module 108, as further described with respect to FIG. 4.
  • the communications module 108 may include one or more terminals or contact points to transfer power to the battery pack 104 via the communications module 108, as further described with respect to FIG. 3.
  • the communications module 108 may store, process or transmit the information.
  • the communications module 108 may be configured to transmit the information (e.g., operating parameters related to the power tool 102 and/or operating parameter information related to the battery pack 104) to a cloud-based computing device 136 via a communications device 138 (e.g., cellular transceiver) of the communications module 108 and an antenna 140.
  • a communications device 138 e.g., cellular transceiver
  • the communications module 108 may omit various additional devices on the construction site typically used as a gateway, such as a mobile phone, tablet, computer or other processor-enabled devices that act as a gateway.
  • the cloud-based computing device 136 may be configured to transmit command signals to the communications module 108, which may be transferred to and implemented within the battery pack 104, as further described with respect to FIGS. 5-6.
  • the communications module 108 may include a processor 142 and a memory 144.
  • the processor 142 may be configured to execute instructions stored on the memory 144 to carry out the functions of the communications module 108.
  • the memory 144 may be configured to store instructions that are loadable and executable on the processor 142.
  • the memory 144 may be volatile (such as a random access memory (RAM)) and/or non-volatile (such as read-only memory (ROM), flash memory, etc.).
  • the memory 144 may include multiple different types of memory, such as static random access memory (SRAM), dynamic random access memory (DRAM), or ROM.
  • the cloud-based computing device 136 may be a service provider providing cloud analytics, cloud-based collaboration and workflow systems, distributed computing systems, expert systems and/or knowledge-based systems.
  • the cloud-based computing device 136 may be a data repository that is coupled to an internal or external global database 146.
  • the global database 146 may allow computing devices 150 to retrieve information stored within for additional processing or analysis.
  • the cloud-based computing device may be accessed by a plurality of systems (computing devices 150 and/or computing devices from back offices/servers 148) from any geographic location, including geographic locations remote from the physical locations of the systems. Accordingly, the cloud 136 may enable advanced collaboration methods between parties in multiple geographic areas, provide multi-party workflows, data gathering, and data analysis, which may increase the capabilities the power tool 102.
  • FIG. 2 is a block diagram of an embodiment of the power tool system 100 of FIG. 1, where the power tool system 100 includes one or more battery packs 104 utilized with the same communications module 108, in accordance with aspects of the present disclosure.
  • the battery pack 104 may include a battery interface 126 that is configured to removably couple with the charger module interface 128 of the charging module 106.
  • one or more battery packs 104 (which may correlate to one or more different power tools 102) may be utilized with the same charger module 106. In this manner, one charger module 106 may be utilized to charge, at different times, a plurality of battery packs 104.
  • the communications module 108 having the communications device 138 may be may be removably disposed between the battery pack 104 and the charger module 106.
  • the first interface 132 may be configured to removably couple with the charger module 106 via the charger module interface 128, and the second interface 134 may be configured to removably couple with the battery pack 104 via the battery interface 126.
  • the communications module 108 may have bi-directional communications with the battery pack 104 via a wired connection.
  • the one or more battery packs 104 may be utilized with the same communications module 108.
  • a first battery pack 160, a second battery pack 162, and a third battery pack 164 may be removably coupled, at different times, with the same communications module 108.
  • each of the battery packs 104 may be configured to transfer information to the communications module 108.
  • the communications module 108 may be configured to store information (e.g., operating parameters related to the power tool 102 and/or operating parameter information related to each battery pack 104) within the memory 144.
  • the communications module 108 may associate the information stored with the specific power tool 102 and battery pack 104 combination.
  • the communications module 108 may be configured to transmit this information to the cloud-based computing device 136 via the communications device 138 (e.g., cellular transceiver) and the antenna 140.
  • FIG. 3 is a schematic of an embodiment of circuitry of the communications module 108 of FIG. 1, in accordance with aspects of the present disclosure.
  • the communications module 108 includes the communications device 138 (e.g., cellular transceiver).
  • the communications module 108 is a stand-along device that may be configured as a retroactive communications device.
  • the communications device 138 e.g., cellular transceiver
  • the communications device 138 may be disposed within other components of the power tool system 100, such as the charging module 106, as illustrated and described with respect to FIG. 7.
  • the cellular transceiver may be configured to wirelessly communicate information via the cellular antenna, without the need for a gateway device.
  • the communications module 108 may include communications circuitry 170, power management circuitry 172, an energy storage 174, and a switch 176.
  • the communications module 108 may include the first interface 132 to removably couple with the charger module 106, and the second interface 134 to removably couple with the battery pack 104.
  • the interfaces 132, 134 may include one or more features that help guide, engage, or secure the battery pack 104 and the charger module 106 to the communications module 108.
  • the one or more features may include various ridges, rails, guides, tabs, buttons, clips, or any other fastening or securing features known in the art to securely and removably couple the battery pack 104 and/or the charging module 106 to the communications module 108.
  • the interfaces 132, 134 may include one or more terminals utilized to transfer power and/or information via wired connections.
  • the battery pack 104 may be configured to transfer information via the terminals to the communications circuitry 170 of the communications module 108.
  • the battery pack 104 may be configured to receive power via the terminals from the charger module 106.
  • the battery pack 104 may receive power through the communications module 108, such as when the communications module 108 is removably coupled (and disposed between) to both the battery pack 104 and the charger module 106.
  • the communications module 108 includes the power management circuitry 172 to monitor the transfer of power from the charger module 106 to the battery pack 104.
  • the power management circuitry 172 may be configured to determine the SOC or status of the battery pack 104 when the battery pack 104 is removably coupled to the communications module 108. This information may be utilized to determine whether the battery pack 104 is capable of transferring information to the communications circuitry 170 or whether the battery pack 104 needs to be recharged prior to the transfer of information.
  • the power management circuitry 172 may also be configured to monitor the energy storage 174 of the communications module 108.
  • the switch 176 may be configured to regulate whether the communications module 108 is configured to transfer information from the battery pack 104 to the communications circuitry 170 or transfer power from the charger module 106 to the battery pack 104. For example, when the switch is "CLOSED,” the charger module 106 may charge or recharge the battery pack 106, and when the switch is "OPEN,” the battery pack 104 may transfer information to the communications circuitry 170. In certain embodiments, the processor 142 determines whether the switch 176 should be "OPEN" or "CLOSED,” based at least in part on the SOC of the battery pack 104. Accordingly, the communications module 108 may be able to regulate the transfer of power and information to desired times.
  • FIG. 4 is an embodiment of a method 200 for transmitting information obtained from the battery pack 104 to the cloud-based computing device 136 via the communications device 138 of FIG. 1, in accordance with aspects of the present disclosure.
  • the method 200 includes coupling the battery pack 104 to the communications module 108 (block 202).
  • the method 200 includes coupling the battery pack 104 directly the charger module 106, which may include the communications device 138, as further described with respect to FIG. 7.
  • the coupling may include guiding the battery interface 126 to mate with the second interface 134 via one or more features that that help guide, engage, or secure the battery pack 104 and the charger module 106 to the communications module 108.
  • the one or more features may include various ridges, rails, guides, tabs, buttons, clips, or any other fastening or securing features known in the art to securely and removably couple the battery pack 104 to a charging device.
  • the method 200 also includes determining if the battery pack 104 has a State of Charge (SOC) level that is above a predetermined threshold (block 204). In certain embodiments, before information is transferred from the battery pack 104 to the communications module 108, it may be beneficial to determine whether the battery pack 104 has enough charge to complete the information transfer process. In certain embodiments, if the SOC levels are below the predetermined threshold, the method 200 includes charging the battery pack 104 via the charger module 106 (block 206).
  • SOC State of Charge
  • the method 200 includes the battery pack 104 transferring information from the battery pack 104 to the communications module 108 (or the communications device 138) (block 208).
  • the information may be transferred through a wired connection between the battery interface 126 and the second interface 134.
  • the battery pack 104 may be configured to transmit operating parameters related to the power tool 102 and/or operating parameter information related to the battery pack 104 to the communications module 108.
  • the communications module 108 may be configured to store information transferred from multiple battery packs 104, as described above with respect to FIG. 2.
  • the method 200 includes transmitting the information (e.g., operating parameters related to the power tool 102 and/or operating parameter information related to the battery pack 104) to the cloud-based computing device 136 via the communications device 138 (e.g., cellular transceiver) of the communications module 108 and the antenna 140 (block 210).
  • the communications device 138 e.g., cellular transceiver
  • the tool system 100 may operate without devices traditionally needed to transmit information to a remote cloud-based computing device (such as mobile phones, tablets, computers or other processor-enabled devices that act as a gateway).
  • the method 200 includes charging the battery pack 104 via the charger module 106 (block 212).
  • the battery pack 104 may be charged at any point after the battery pack 104 is coupled to the communications module 106.
  • the battery pack 104 may be charged with the charger module 106 (through the communications module 106) after the battery pack 104 has transferred information to the communications module 108 and before the communications module 108 transmits information to the cloud-based computing device 136.
  • FIG. 5 is an embodiment of a method 220 for transmitting a command signal from the cloud-based computing device 136 to the battery pack 104 via the communications module 108 of FIG. 1, in accordance with aspects of the present disclosure.
  • the method 220 includes the communications module 208 receiving a command signal from the cloud-based computing device 136 (block 222).
  • the cloud-based computing device 136 may send various command signals to the battery pack 104 via the communications module 108. These command signals may be generated based in part on the information received from the communications module 108 about the battery pack 104 and/or the power tool 102.
  • the cloud- based computing device 136 may be configured to send a lockdown command signal to lockdown the battery pack 104 and prevent further operations.
  • the command signals may be an operating command that control or regulate an operating parameter of the power tool 102 and/or the battery pack 104.
  • the command signal may include lockdown commands and/or unlock commands for the battery pack 104, a block command, a shutdown or startup command, firmware updates for the communications module 108, exchange of security certificates, confirmation parameters, etc.
  • the method 220 upon receiving the command signal, includes the communications module 108 (or the communications device 138) transferring the command signal to the battery pack 104 (block 224). If the battery pack 104 of interest is not coupled to the communications module 108 at the time the communications module 108 receive the command signal, the communications module 108 may be configured to store the command signal until a future transfer time. In certain embodiments, the method 220 includes the communications module 108 receiving a confirmation signal from the battery pack 104 indicating that the command signal was properly received (block 226). Further, in certain embodiments, the communications module 108 may be configured to transmit the confirmation signal to the cloud-based computing device 136 to inform the cloud-based computing device 136 of a successful delivery (block 228).
  • FIG. 6 is an embodiment of a method 230 for transmitting a confirmation signal from the battery pack 104 to the cloud-based computing device 136 via the communications module 108 of FIG. 1, in accordance with aspects of the present disclosure.
  • the method 230 includes battery pack 104 receiving a command signal from the communication module 108 (or the communications device 138) (block 232).
  • the command signals may be an operating command that control or regulate an operating parameter of the power tool 102 and/or the battery pack 104.
  • the command signal may include lockdown commands and/or unlock commands for the battery pack 104, a block command, a shutdown or startup command, firmware updates for the communications module 108, exchange of security certificates, confirmation parameters, etc.
  • the battery pack 104 may be configured to directly implement the command signal (block 236) if the command signal is related to the operation of the battery pack 104.
  • the battery pack 104 may be configured to store the command signal within the memory 124 until the battery pack 104 is communicatively coupled to the power tool 102 (block 234).
  • the battery pack 104 and/or the power tool 102 may be configured to implement the command signal when the command signal is related to the operation of the power tool 102 and/or both the power tool 102 and the battery pack 104.
  • the battery pack 104 after implementing the command signal, the battery pack 104 may be configured to transfer a confirmation signal to the communications module 108 (or the communications device 138) (block 238).
  • the battery pack 104 may be configured to transfer a confirmation signal upon receiving the command signal. In certain embodiments, the battery pack 104 may be configured to transfer a confirmation signal upon receiving and implementing the command signal. In certain embodiments, the battery pack 104 may be configured to transfer a confirmation signal upon receiving and successfully implementing the command signal.
  • FIG. 7 is a block diagram of an embodiment of the power tool system 100 of FIG. 1, where the charger module 106 for charging the battery pack 104 includes the communications device 138.
  • the communications device 138 may be configured for transmitting information obtained from the battery pack 104 to the cloud-based computing device 136.
  • the communications device 138 may be a cellular transceiver configured to transmit information (e.g., operating parameters related to the power tool 102 and/or operating parameter information related to the battery pack 104) to the cloud-based computing device 136 via the cellular antenna.
  • the communications device 138 may reduce or omit the need for a gateway device typically utilized to transmit information to a remote computing device.
  • the communications device 138 may be disposed within the charger module 106, such that the charger module 106 receives and transmits information.
  • the charger module 106 may be configured to receive information directly from the battery pack 104, such as when the battery pack 104 is removably coupled to the charger module 106 to be charged or recharged.
  • the battery pack 104 may include the battery interface 126 that is configured to removably couple with the charger module interface 128 of the charging module 106.
  • the interfaces 126, 128 may include one or more features that help guide, engage, or secure the battery pack 104 to the charging module 106.
  • the one or more features may include various ridges, rails, guides, tabs, buttons, clips, or any other fastening or securing features known in the art to securely and removably couple the battery pack 104 to the charging module 106.
  • the interfaces 126, 128 may include one or more terminals configured to transfer both power and information.
  • the communications device 138 may interact with the battery pack 104 to receive and transfer operating information, operational commands or confirmation signals, and/or power.

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  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un module de communication pourvu d'une première interface et d'une seconde interface. La première interface se trouve sur une surface opposée du module de communication de la seconde interface. Le système comprend également un bloc-batterie pour recevoir des informations de fonctionnement de l'outil électrique, le bloc-batterie étant accouplé de manière amovible au module de communication par l'intermédiaire de la seconde interface. Le bloc-batterie transfère une partie des informations de fonctionnement de l'outil électrique et/ou une partie des informations de fonctionnement du bloc-batterie au module de communication par l'intermédiaire de la seconde interface. Le système comprend également un module chargeur destiné à être accouplé de manière amovible au module de communication par l'intermédiaire de la première interface, le module chargeur rechargeant le bloc-batterie à travers la première interface et la seconde interface du module de communication.
PCT/EP2020/083077 2019-12-04 2020-11-23 Systèmes et procédés de transmission d'informations et d'énergie à un module de communication dans un système d'un outil électrique WO2021110459A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA3158699A CA3158699A1 (fr) 2019-12-04 2020-11-23 Systemes et procedes de transmission d'informations et d'energie a un module de communication dans un systeme d'un outil electrique
US17/781,867 US20230006456A1 (en) 2019-12-04 2020-11-23 Systems and methods for transferring information and power to a communications module within a power tool system
EP20811615.2A EP4069468A1 (fr) 2019-12-04 2020-11-23 Systèmes et procédés de transmission d'informations et d'énergie à un module de communication dans un système d'un outil électrique

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EP1128517A2 (fr) * 2000-02-24 2001-08-29 Makita Corporation Adaptateur pour blocs de batteries secondaires
US20060087286A1 (en) * 2004-10-18 2006-04-27 Phillips Steven J Cordless power system
WO2013014914A2 (fr) * 2011-07-24 2013-01-31 Makita Corporation Adaptateur pour outils électriques, système d'outil électrique et procédé de fonctionnement correspondant
US20140158389A1 (en) * 2011-07-24 2014-06-12 Makita Corporation Theft-deterrence system for power tool system, and adapter and method therefor
US20160067859A1 (en) * 2009-09-17 2016-03-10 Robert Bosch Gmbh Hand tool module

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EP1128517A2 (fr) * 2000-02-24 2001-08-29 Makita Corporation Adaptateur pour blocs de batteries secondaires
US20060087286A1 (en) * 2004-10-18 2006-04-27 Phillips Steven J Cordless power system
US20160067859A1 (en) * 2009-09-17 2016-03-10 Robert Bosch Gmbh Hand tool module
WO2013014914A2 (fr) * 2011-07-24 2013-01-31 Makita Corporation Adaptateur pour outils électriques, système d'outil électrique et procédé de fonctionnement correspondant
US20140158389A1 (en) * 2011-07-24 2014-06-12 Makita Corporation Theft-deterrence system for power tool system, and adapter and method therefor

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EP4069468A1 (fr) 2022-10-12
US20230006456A1 (en) 2023-01-05

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